DOKK / manpages / debian 10 / libowfat-dev / uint64_read.3.en
uint64_read(3) Library Functions Manual uint64_read(3)

uint64_read - read an unsigned little-endian 64-bit integer

#include <uint64.h>

uint64 uint64_read(const char s[4]);

uint64 is a 64-bit unsigned integer type.

uint64_read portably reads a uint64 as stored on a little-endian architecture from s and returns it.

uint64_unpack(3), uint64_unpack_big(3)